| A. Kurt Waldheim | 1. Austria |
| B. Kofi Annan | 2. South Korea |
| C. Antonio Guterres | 3. Portugal |
| D. Ban Ki Moon | 4. Ghana |
This question tests your knowledge about the United Nations Secretary Generals and their respective nationalities at the time of their appointment. Let us match each Secretary General with their citizenship:
Based on this information, the correct matching is as follows:
| A. Kurt Waldheim | 1. Austria |
| B. Kofi Annan | 4. Ghana |
| C. Antonio Guterres | 3. Portugal |
| D. Ban Ki Moon | 2. South Korea |
Thus, the correct answer is: A1, B4, C3, D2.
| A. Kurt Waldheim | 1. Austria |
| B. Kofi Annan | 4. Ghana |
| C. Antonio Guterres | 3. Portugal |
| D. Ban Ki Moon | 2. South Korea |